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I have finished documenting/cleaning the code for my Jaycar el-cheapo “Thermor/BIOS” branded wireless weather station receiver. The basis for the code comes from the Practical Arduino weather station receiver project.
In the end all it took was a week of analysing the RF signal from the weather station using my soundcard and wasting countless hours decoding the packets! And a little determination.
Receiving the signal is pretty straight forward – an RF receiver is connected to pin 8 of the arduino via a 1k resistor, and an LED via a 330ohm resistor to pin 6. See the Practical Arduino schematic for more info – it is essentially the same circuit, just minus the LED on pin 7.
You can also take a look at the ThermorWeatherRx Protoshield I soldered up after the recent SparkFun freeday.
I have uploaded the sketch to github: http://github.com/kayno/ThermorWeatherRx for anyone else to try. There is a small to-do list for me to complete, but that can happen later.
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